04. Endstops & Accessories

2x M6x16 Cap Head Screw

2x 4040 Drop-in T-Nut - M6

6x M3 Nylon Locking Hex Nut

3x SN04-N2 Proximity Sensor

2x sh_pro_y_endstop_mount Printed Part

1x sh_pro_x_endstop_spacer Printed Part

4x M3x35 Cap Head Screw

2x M3x25 Cap Head Screw

sh_pro_y_endstop_mount Printed Part

M3 Nylon Locking Hex Nut

Insert an M3 nut into each of the two hex holes on the printed part

Make sure that the M3 nuts are fully inserted into the printed part, otherwise installation of the endstop will be impossible

M6x16 Cap Head Screw

4040 Drop-in T-Nut - M6

Loosely thread the 4040 T-Nut on to the M6x16 screw. Do not tighten it at this point.

Y-axis Endstop Mount from the Previous Step

Position the endstop mount in to the bottom slot of the 40120 extrusion

The marked distance should measure roughly 31mm

Tighten the M6x16 screw to secure the endstop mount to the StrongHold PRO frame

Take care not to over tighten the M6x16 screw as you can damage the printed part

SN04-N2 Proximity Sensor

M3x25 Cap Head Screw

Secure the Y-axis endstop to the mount with the M3x25 screws

Pass the end of the proximity sensor cable through the marked hole

Repeat Steps 2, 3 and 4 to install the second Y-axis endstop.

Repeat Step 4 to install the second Y-axis endstop.

M3x35 Cap Head Screw

Insert the M3x35 screws through the marked holes in the X-axis gantry plate

sh_pro_x_endstop_spacer Printed Part

SN04-N2 Proximity Sensor

Position the endstop and spacer so that the measurement from the rear extrusion to the front of the sensor is between 76 and 78mm

M3 Nylon Locking Hex Nut

2x M4x16 Cap Head Screw

2x M4x25 Cap Head Screw

4x M4 Nylon Locking Hex Nut

4x M4x16 Countersunk Screw

1x 1500mm 30x15 Drag Chain (2000mm for StrongHold Pro 1000x1500 or 1500x1500)

1x sh_pro_frame_y_dragchain_mount Printed Part

1x sh_pro_frame_y_dragchain_arm Printed Part

1x sh_pro_gantry_y_dragchain_mount Printed Part

sh_pro_gantry_y_dragchain_mount Printed Part

M4 Nylon Locking Hex Nut

Insert the M4 Nylon Locking Hex Nuts into the hex holes on the printed part

Set this assembly aside until Step 13

sh_pro_frame_y_dragchain_mount Printed Part

M4 Nylon Locking Hex Nut

Insert the M4 Nylon Locking Hex Nuts into the hex holes on the printed part

Assembly from the previous step

sh_pro_frame_y_dragchain_arm Printed Part

M4x16 Cap Head Screw

Insert an M4x16 screw through each hole in the back of the printed arm and into the hex nuts fitted to the existing assembly

Tighten the M4x16 screws to secure the printed parts together

M4 Nylon Locking Hex Nut

Insert the M4 Nylon Locking Hex Nuts into the hex holes on the printed part

1500mm 30x15 Drag Chain

Please note that the shape of the drag chain ends may differ from those shown in the guide imagery. This is normal

2000mm for StrongHold Pro 1000x1500 or 1500x1500

The ends of the drag chain need to be oriented correctly

If your drag ends are oriented as shown in the first image, skip to the next step

Remove the drag chain end by either compressing or expanding the link in the chain, as shown

Once removed, flip the orientation of the end and re-install it.

It may be easier to remove the drag chain end by opening the drag chain link next to the end. The drag chain is designed to be opened to allow easier installation and maintenance.

Assembly from Step 9

Drag chain assembly - Male End

Align the drag chain end with the printed part as shown. Only one of the drag chain ends will fit correctly.

M4x16 Countersunk Screw

Insert an M4x16 screw into each hole in the drag chain and tighten them, securing the drag chain to the mount

Assembly from Step 8

Drag chain assembly - Female End

Align the drag chain end with the printed part as shown

M4x16 Countersunk Screw

Insert an M4x16 screw into each hole in the drag chain and tighten them, securing the drag chain to the mount

Drag Chain Assembly - Frame End

Hook the bottom of the printed part on to the lower aluminium spacers

Push the top of the printed part slowly but strongly and it will clip onto the upper aluminium spacers, securing the mount to the frame

Align the holes in the printed mount on the other end of the drag chain with the holes in the gantry plate as shown

M4x25 Cap Head Screw

Insert an M4x25 screw through each hole in the back of the printed arm and through the gantry plate

M4 Nylon Locking Hex Nut

Secure the end of the drag chain mount to the gantry by installing an M4 hex nut onto each screw and tightening

1x sh_pro_x_dragchain_mount_base Printed Part

1x sh_pro_x_dragchain_mount_cap Printed Part

1x sh_pro_toolhead_x_dragchain_mount Printed Part

2x M6x22 Cap Head Screw

2x M6x12 Cap Head Screw

6x M4 Nylon Locking Hex Nut

2x M4x20 Cap Head Screw

4x 4040 Drop-in T-Nut - M6

sh_pro_toolhead_x_dragchain_mount Printed Part

M4 Nylon Locking Hex Nut

Insert the M4 Nylon Locking Hex Nuts into the hex holes on the printed part

M6x22 Cap Head Screw

4040 Drop-in T-Nut - M6

The two T-nuts must be offset as shown, to allow installation

Set this assembly aside until Step 23

sh_pro_x_dragchain_mount_base Printed Part

M6x12 Cap Head Screw

4040 Drop-in T-Nut - M6

Loosely thread the 4040 T-Nuts on to the M6x12 screws. Do not tighten them at this point.

M4 Nylon Locking Hex Nut

Insert an M4 nut into each of the two hex holes on the printed part

Set this assembly aside until Step 22

2x M4x12 Countersunk Screw

2x M4x16 Countersunk Screw

1x 1500mm 30x15 Drag Chain

2000mm for StrongHold Pro 1000x1500 or 1500x1500

1500mm 30x15 Drag Chain

Please note that the shape of the drag chain ends may differ from those shown in the guide imagery. This is normal

2000mm for StrongHold Pro 1000x1500 or 1500x1500

The ends of the drag chain need to be oriented correctly

If your drag ends are oriented as shown in the first image, skip to the next step

Remove the drag chain end by either compressing or expanding the link in the chain, as shown

Once removed, flip the orientation of the end and re-install it.

It may be easier to remove the drag chain end by opening the drag chain link next to the end. The drag chain is designed to be opened to allow easier installation and maintenance.

sh_pro_x_dragchain_mount_cap Printed Part

M4 Nylon Locking Hex Nut

Drag chain assembly - Male End

Align the drag chain end with the printed part as shown. Only one of the drag chain ends will fit correctly.

M4x12 Countersunk Screw

Insert an M4x12 screw into each hole in the drag chain and tighten them, securing the drag chain to the mount

X-axis drag chain mount base assembly from Step 18

Position the assembly on to the top of the X-axis gantry extrusion, making sure the T-nuts drop into the slot

Check the marked distance, it should measure roughly 30-35mm

Tighten the marked M6x12 screws to secure the mount to the X-axis gantry

X-axis drag chain arm assembly from Step 17

Insert the X-axis drag chain arm into the marked 4040 extrusion

Position the assembly as shown. The indicated measurement should be 20mm

Fasten the lower M6x22 screw fully

Fasten the upper M6x22 screw fully

X-axis drag chain assembly from Step 20

Place the X-axis drag chain assembly on to the previously installed base

M4x20 Cap Head Screw

Insert an M4x20 screw through the cap and fasten into the hex nuts in the base

Drag chain assembly - Female End

Align the drag chain end with the printed part as shown

M4x16 Countersunk Screw

Insert an M4x16 screw into each hole in the drag chain and tighten them, securing the drag chain to the mount

4x M5x20 Cap Head Screw

1x sh_pro_z_transmission_cover Printed Part

sh_pro_z_transmission_cover Printed Part

Place the Z transmission on top of the Z-axis, aligning the edges

M5x20 Cap Head Screw

Insert each M5x20 screw into the printed part as shown

Fully tighten each M5x20 screw to secure the cover in place

80x HG25 Screw Cover

96x for StrongHold PRO 1000x1500

112x for StrongHold PRO 1500x1500

10x HG15 Screw Cover

StrongHold PRO X-Axis Gantry

HG25 Screw Cover

Insert an HG25 screw cover into each screw hole of the HG25 linear rail

Install an HG25 screw cover into every screw hole on the marked linear rails

StrongHold PRO Z-Axis

HG15 Screw Cover

Insert an HG15 screw cover into each screw hole of the HG15 linear rail